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Re: Diff faces

From: Richard Stallman
Subject: Re: Diff faces
Date: Fri, 12 Oct 2007 11:59:47 -0400

    Ediff puts face names as strings on overlays, but describe-face accepts
    only symbols.  The patch below fixes describe-face to not fail on face
    name strings.  As for fixing ediff, I don't know whether this is necessary,
    since face names as strings are mostly interchangeable with face symbols.
    There are only two places in ediff*.el files that call `face-name' to
    convert face symbols to strings, so these calls could be removed.

I agree describe-face should handle a string as the face property,
since that's a documented feature.  So please install that patch.

However, is there a good reason for ediff to use strings
instead of symbols to specify the faces?

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